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A platform for research: civil engineering, architecture and urbanism
Cement kiln tail gas carbonized building prefabricated product and preparation method thereof
The invention relates to a cement kiln tail gas carbonized building prefabricated product and a preparation method thereof, and the cement kiln tail gas carbonized building prefabricated product comprises the following components in parts by mass: 20-40 parts of carbonized cement, 5-10 parts of Portland cement, 50-70 parts of concrete aggregate tailing powder and 12-30 parts of water. The preparation method comprises the following steps: firstly, mixing the carbonized cement, the Portland cement and the concrete aggregate tailing powder; putting the wet material into a mold in a layered manner, lightly pressing and molding, primarily hardening, and demolding; and finally, conveying the green body into a carbonization curing kettle, curing for 8-24 hours under the conditions that the temperature is 10-50 DEG C, the relative humidity is 50-90%, the CO2 volume concentration is 15-30% and the pressure is 2-4 barometric pressures, and then curing for 3-7 days under the natural conditions that the temperature is 10-30 DEG C and the relative humidity is 50-90% to obtain the cement kiln tail gas carbonization building prefabricated product. The cement kiln tail gas carbonization building prefabricated product absorbs a large amount of CO2 and solid waste in the preparation process, is high in strength, rapid in strength development and extremely low in water absorption rate, and is particularly suitable for producing hanging plates, balcony plates, canopies and the like of fabricated buildings.
本发明涉及一种水泥窑尾气碳化建筑预制品及其制备方法，所述水泥窑尾气碳化建筑预制品按质量份计，包含以下组分：碳化水泥20～40份，硅酸盐水泥5～10份，混凝土骨料尾矿粉50～70份，水12～30份。其制备方法为：先将碳化水泥、硅酸盐水泥、混凝土骨料尾矿粉混合；再将湿料分层装入模具轻压成型并初步硬化后脱模；最后将坯体送至碳化养护釜中，在温度10～50℃、相对湿度50～90％，CO2体积浓度15～30％，压力2～4个大气压的条件下养护8～24h后，再在温度10～30℃、相对湿度50～90％的自然条件下养护3～7天，即得到水泥窑尾气碳化建筑预制品。本发明涉及的水泥窑尾气碳化建筑预制品，制备过程中大量吸收CO2、吸纳固体废弃物，高强且强度发展快、吸水率极低，特别适宜生产装配式建筑的挂板、阳台板、雨棚等。
Cement kiln tail gas carbonized building prefabricated product and preparation method thereof
The invention relates to a cement kiln tail gas carbonized building prefabricated product and a preparation method thereof, and the cement kiln tail gas carbonized building prefabricated product comprises the following components in parts by mass: 20-40 parts of carbonized cement, 5-10 parts of Portland cement, 50-70 parts of concrete aggregate tailing powder and 12-30 parts of water. The preparation method comprises the following steps: firstly, mixing the carbonized cement, the Portland cement and the concrete aggregate tailing powder; putting the wet material into a mold in a layered manner, lightly pressing and molding, primarily hardening, and demolding; and finally, conveying the green body into a carbonization curing kettle, curing for 8-24 hours under the conditions that the temperature is 10-50 DEG C, the relative humidity is 50-90%, the CO2 volume concentration is 15-30% and the pressure is 2-4 barometric pressures, and then curing for 3-7 days under the natural conditions that the temperature is 10-30 DEG C and the relative humidity is 50-90% to obtain the cement kiln tail gas carbonization building prefabricated product. The cement kiln tail gas carbonization building prefabricated product absorbs a large amount of CO2 and solid waste in the preparation process, is high in strength, rapid in strength development and extremely low in water absorption rate, and is particularly suitable for producing hanging plates, balcony plates, canopies and the like of fabricated buildings.
本发明涉及一种水泥窑尾气碳化建筑预制品及其制备方法，所述水泥窑尾气碳化建筑预制品按质量份计，包含以下组分：碳化水泥20～40份，硅酸盐水泥5～10份，混凝土骨料尾矿粉50～70份，水12～30份。其制备方法为：先将碳化水泥、硅酸盐水泥、混凝土骨料尾矿粉混合；再将湿料分层装入模具轻压成型并初步硬化后脱模；最后将坯体送至碳化养护釜中，在温度10～50℃、相对湿度50～90％，CO2体积浓度15～30％，压力2～4个大气压的条件下养护8～24h后，再在温度10～30℃、相对湿度50～90％的自然条件下养护3～7天，即得到水泥窑尾气碳化建筑预制品。本发明涉及的水泥窑尾气碳化建筑预制品，制备过程中大量吸收CO2、吸纳固体废弃物，高强且强度发展快、吸水率极低，特别适宜生产装配式建筑的挂板、阳台板、雨棚等。
Cement kiln tail gas carbonized building prefabricated product and preparation method thereof
水泥窑尾气碳化建筑预制品及其制备方法
LI YEQING (author) / TIAN JIANPING (author) / YU SONGBAI (author) / CAI XIAO (author) / WANG XUANQIAN (author)
2022-01-21
Patent
Electronic Resource
Chinese
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